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Available in 15 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-15" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">15 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/AMD_PowerNow!" title="AMD PowerNow! – Czech" lang="cs" hreflang="cs" data-title="AMD PowerNow!" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/PowerNow!" title="PowerNow! – German" lang="de" hreflang="de" data-title="PowerNow!" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Spanish" lang="es" hreflang="es" data-title="PowerNow!" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/PowerNow!" title="PowerNow! – French" lang="fr" hreflang="fr" data-title="PowerNow!" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8C%8C%EC%9B%8C%EB%82%98%EC%9A%B0!" title="파워나우! – Korean" lang="ko" hreflang="ko" data-title="파워나우!" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Italian" lang="it" hreflang="it" data-title="PowerNow!" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Dutch" lang="nl" hreflang="nl" data-title="PowerNow!" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Japanese" lang="ja" hreflang="ja" data-title="PowerNow!" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="PowerNow!" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Polish" lang="pl" hreflang="pl" data-title="PowerNow!" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Portuguese" lang="pt" hreflang="pt" data-title="PowerNow!" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Russian" lang="ru" hreflang="ru" data-title="PowerNow!" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Turkish" lang="tr" hreflang="tr" data-title="PowerNow!" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/PowerNow!" title="PowerNow! – Ukrainian" lang="uk" hreflang="uk" data-title="PowerNow!" data-language-autonym="Українська" data-language-local-name="Ukrainian" 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class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Dynamic frequency scaling technology by AMD</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">AMD PowerNow!</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:AMD-PowerNow-logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/AMD-PowerNow-logo.svg/220px-AMD-PowerNow-logo.svg.png" decoding="async" width="220" height="65" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/AMD-PowerNow-logo.svg/330px-AMD-PowerNow-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/AMD-PowerNow-logo.svg/440px-AMD-PowerNow-logo.svg.png 2x" data-file-width="236" data-file-height="70" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Design firm</th><td class="infobox-data"><a href="/wiki/Advanced_Micro_Devices" class="mw-redirect" title="Advanced Micro Devices">Advanced Micro Devices</a></td></tr><tr><th scope="row" class="infobox-label">Introduced</th><td class="infobox-data">April 2000</td></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data"><a href="/wiki/Dynamic_frequency_scaling" title="Dynamic frequency scaling">Dynamic frequency scaling</a> technology</td></tr></tbody></table> <p><b>AMD PowerNow!</b> is <a href="/wiki/AMD" title="AMD">AMD</a>'s <a href="/wiki/Dynamic_frequency_scaling" title="Dynamic frequency scaling">dynamic frequency scaling</a> and power saving technology for <a href="/wiki/Laptop" title="Laptop">laptop</a> processors. The <a href="/wiki/Central_processing_unit" title="Central processing unit">CPU</a>'s <a href="/wiki/Clock_speed" class="mw-redirect" title="Clock speed">clock speed</a> and <a href="/wiki/VCore" class="mw-redirect" title="VCore">VCore</a> are automatically decreased when the computer is under low load or idle, to save <a href="/wiki/Battery_(electricity)" class="mw-redirect" title="Battery (electricity)">battery</a> power, reduce heat and <a href="/wiki/Quiet_PC" title="Quiet PC">noise</a>. The lifetime of the CPU is also extended because of reduced <a href="/wiki/Electromigration" title="Electromigration">electromigration</a>, which varies exponentially with temperature.<sup id="cite_ref-AMD_com_PowerNow!_1-0" class="reference"><a href="#cite_note-AMD_com_PowerNow!-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The technology is a concept similar to <a href="/wiki/Intel" title="Intel">Intel</a>'s <a href="/wiki/SpeedStep" title="SpeedStep">SpeedStep</a> technology. The adaptation of PowerNow! for AMD's desktop CPUs is called <a href="/wiki/Cool%27n%27Quiet" title="Cool'n'Quiet">Cool'n'Quiet</a>. Newer <a href="/wiki/Opteron" title="Opteron">Opterons</a> also use an adaptation of PowerNow! called <i>Optimized Power Management.</i> </p><p>AMD has supplied and supported drivers for its PowerNow! technology that work on Windows 98, ME, NT, and 2000.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Processors_supporting_PowerNow!"><span id="Processors_supporting_PowerNow.21"></span>Processors supporting PowerNow!</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PowerNow!&action=edit&section=1" title="Edit section: Processors supporting PowerNow!"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/AMD_K6-2" title="AMD K6-2">K6-2+</a></li> <li><a href="/wiki/AMD_K6-III" title="AMD K6-III">K6-III+</a></li> <li><a href="/wiki/Athlon" title="Athlon">Athlon XP-M</a> - some models.</li> <li><a href="/wiki/Athlon_64" title="Athlon 64">Mobile Athlon 64</a></li> <li><a href="/wiki/Sempron" title="Sempron">Mobile Sempron</a></li> <li><a href="/wiki/Turion_64" class="mw-redirect" title="Turion 64">Turion 64</a> and <a href="/wiki/Turion_64_X2" class="mw-redirect" title="Turion 64 X2">X2</a></li> <li><a href="/wiki/Athlon_II" title="Athlon II">Athlon II</a></li> <li><a href="/wiki/AMD_Accelerated_Processing_Unit" class="mw-redirect" title="AMD Accelerated Processing Unit">AMD Accelerated Processing Unit</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PowerNow!&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Dynamic_frequency_scaling" title="Dynamic frequency scaling">Dynamic frequency scaling</a></li></ul> <p>Power Saving Technologies: </p> <ul><li><a href="/wiki/Cool%27n%27Quiet" title="Cool'n'Quiet">AMD Cool'n'Quiet</a> (desktop CPUs)</li> <li><a href="/wiki/AMD_PowerTune" title="AMD PowerTune">AMD PowerTune</a> (graphics)</li> <li><a href="/wiki/SpeedStep" title="SpeedStep">Intel SpeedStep</a> (CPUs)</li></ul> <p>Performance Boosting Technologies: </p> <ul><li><a href="/wiki/AMD_Turbo_Core" title="AMD Turbo Core">AMD Turbo Core</a> (CPUs)</li> <li><a href="/wiki/Intel_Turbo_Boost" title="Intel Turbo Boost">Intel Turbo Boost</a> (CPUs)</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PowerNow!&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-AMD_com_PowerNow!-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-AMD_com_PowerNow!_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amd.com/system/files/TechDocs/24404a.pdf">"AMD PowerNow!™ Informational White Paper"</a> <span class="cs1-format">(PDF)</span><span class="reference-accessdate">. Retrieved <span class="nowrap">27 August</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=AMD+PowerNow%21%E2%84%A2+Informational+White+Paper&rft_id=https%3A%2F%2Fwww.amd.com%2Fsystem%2Ffiles%2FTechDocs%2F24404a.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3APowerNow%21" class="Z3988"></span> AMD.com – TechDocs</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_14098,00.html"><i>AMD Turion 64 X2 Dual-Core Mobile Technology Utilities & Updates</i></a>, <a href="/wiki/Advanced_Micro_Devices" class="mw-redirect" title="Advanced Micro Devices">Advanced Micro Devices</a><span class="reference-accessdate">, retrieved <span class="nowrap">2007-04-30</span></span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=AMD+Turion+64+X2+Dual-Core+Mobile+Technology+Utilities+%26+Updates&rft.pub=Advanced+Micro+Devices&rft_id=https%3A%2F%2Fwww.amd.com%2Fus-en%2FProcessors%2FTechnicalResources%2F0%2C%2C30_182_871_14098%2C00.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APowerNow%21" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1202_1073%5E871%5E13349,00.html"><i>AMD Turion 64 Mobile Technology Utilities & Updates</i></a>, <a href="/wiki/Advanced_Micro_Devices" class="mw-redirect" title="Advanced Micro Devices">Advanced Micro Devices</a><span class="reference-accessdate">, retrieved <span class="nowrap">2007-04-30</span></span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=AMD+Turion+64+Mobile+Technology+Utilities+%26+Updates&rft.pub=Advanced+Micro+Devices&rft_id=https%3A%2F%2Fwww.amd.com%2Fus-en%2FProcessors%2FProductInformation%2F0%2C%2C30_118_1202_1073%255E871%255E13349%2C00.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APowerNow%21" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PowerNow!&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" 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